Raw video builds timeline of Orlando mass shooting

As the largest mass shooting in U.S. history began to unfold, an off-duty police officer working at a gay nightclub exchanged gunfire with the suspect. Three hours passed before the attack was brought to an end.

As the largest mass shooting in U.S. history began to unfold, an off-duty police officer working at a gay nightclub exchanged gunfire with the suspect. Three hours passed before the attack was brought to an end.

The only total lunar eclipse this year and next came with a supermoon bonus. On Sunday night, the moon, Earth and sun lined up to create the eclipse, which was visible throughout North and South America, where skies were clear. There won't be another until the year 2021.